3y^4 xx 7y^5
21y^9
-13.12 + (-8.6)
-21.72
7/10 - 2/15
17/30
(x^2 - 16) = 0
x = 4 or x = -4
The length of a rectangle is 3 times its width. if the area is
75m^2
what is the length of the rectangle?
15 m
((4x^3)/(5y^4))^3
(64x^9) / (125y^12)
-(94.2/3.14)
-30
equivalent fractions:
16/24 = ?/21
14
7x + 5(x-1) = -5 + 12x
all numbers
Mr. Trombetta is buying a nintendo switch which is on sale for 2/3 of the original price. After he uses a $25 gift certificate, the total cost is $115. What was the original price of the nintendo switch?
210
((32-16+18-24)/(5+8+7))^8
1/256
23.1/10.5
2.2


x is a whole number
6^(x+3) = 7776
x= 2
Two trains are 400 m apart heading towards each other on parallel tracks. Train A is travelling east at 35 m/s, while train B travels west at 45 m/s. When will the two trains pass each other?
t = 5 s
(x^2+x-20)/(x^2-x-12)+(x^2-x-2)/(x^2+x-6)
2
No negative exponents can be in the simplest form.
(20qr^-2t^-5)/(4q^0r^4t^-2)
(5q)/(r^6t^3)
-14xx(-2.9)
40.6
60* (10/16+ 1/4)
52.5
3x^2+x-4=0
x=
-1 1/3 and 1
A ball is dropped from a height of 256 m. The formula h = -16t2 + h0 can be used to approximate the number of seconds t it takes for the ball to reach height h from an initial height of h0 in m. Find the time it takes the ball to reach the ground.
t=4 s
If 3^x=5 and xy=1, w h at is the value of 125^y?
27
-2*(5x^3+4x^3)^2/ (3x^-3)
-54x^9
(0.5xx0.6xx0.7xx0.8)/0.2
0.84
144*( 5/6+2/3-3/4)*2/9
24
(7/20+15%)x=18.6
37.2
A car traveled 350 km in 5 h15min. What was the speed of the car? (Answer in a fraction mixed number form or round to the hundredth when necessary)
66.67 km/h or
66 2/3